AAA Quality Orthoceras Fossil Polished Cabochon / Top Grade Fabulous Orthocera Handmade Gemstone / Pear Shape / 43x16x8 mm / Loose Gemstone

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AAA Quality Orthoceras Fossil Polished Cabochon / Top Grade Fabulous Orthocera Handmade Gemstone / Pear Shape / 43x16x8 mm / Loose Gemstone


Item Code : STOTC0017
Gemstone Name : Orthoceras Fossil
Stone Quality : AAA+++
Polish Type : Hand Polish
Shape : Pear
Cut & Cab : Cabochon
Size : 43x16x8 MM. Approx
Weight : 37.5 Ct. Approx

Color May Be Different 20% In Pictures



An orthoceras is an ancient mollusk that lived in the Ordovician period. At that time, the earth was mostly covered in water. It had a soft squid-like body inside a cone shell. Over time, its aragonite shell turned into calcite and fossilized.

Along conical shape Orthoceras ‘cephalopod’ is the fossilized remains of an extinct marine animal. Orthocears are the remains of extinct marine animals, therefore, known as the fossil stone and is around 400 million years old. The ancestor to the squid, over 500 to 190 million years ago, they are marked with a date to the lower Ordovician to Triassic ages. Orthoceras fossils ("straight horn") are common and have a global distribution, a genus of extinct nautiloid cephalopod they occur in any marine rock; in particular they occur in limestone. These conspicuous ortho core cephalopods ‘Orthoceras’ are persistent enough to form dense limestone key beds. These limestone key beds are known as cephalopod beds, Orthoceras limestones or nautiloid limestones in the geological history

Beautiful ortho core nautiloids are yielded in the southern coast of Sweden, The Baltic island of Öland. For centuries, these straight horn stones are used in Orthoceras Jewelry and in various other articles, as these hard limestone fossil inclusions are durable for stairs, gravestones, and floors. Sporadically, the cavities of the fossil shells are colored in a different way which makes it very desirable. Colors are determined when the groundwater minerals seep into the strata during diagenesis. Orthocerus crystals are of black and grey fossil, Brown and Green are the most common colors. They fed upon small animals.

An extinct squid-like creature Orthoceras belongs to the class Cephalopoda are widespread and have a global distribution, they occur in limestone a marine rock basically but also found in different marine rocks too. The fossil shells of orthoses are found and polished in the Atlas Mountains and the Sahara Desert of Morocco. They also occur in The Alps, Scandinavia and Iowa in USA.

Orthoceras fossils have a glistening prize like quality when polished; their shells were preserved in the black marble its beauty makes unique display pieces and jewelry. Orthoceras fossils are said to promote pride and success in business.

Orthoceras fossils are basically meant to enlighten the Root Chakra or Base Chakra, inspiring the individual to strive for quality and excellent life. They stimulate life-force energy in the body and make one’s ability and desires strong. Base Chakra keeps the physical body in equilibrium, the physical body and enhances the spiritual energy.

An ancient mollusc is known as Orthoceras that lived more than 400 million years ago.
Orthoceras along with related orthodontic nautiloid cephalopods are often perplexed with the apparently the same Baculites and related Cretaceous orthodontic ammonoids.
In the beginning, Orthoceras allude to all straight-shell nautiloids, called an "ortho core". But later on research on their internal structures, cameral deposits, the siphuncle, and many others, showed that these in point of fact belong to a number of groups, even of different orders.
Nautiloidea the subclass of ortho ceras narrows the field. Chambered Nautilus is the only living member and the extinct members of this subclass are the ammonites.
Fossils are believed to increase the life span of the wearing individual and make him confident.
Orthoceratidae is the family name given though some sources that first used to call the family name Michelinoceratidae but later disagreed with the time period. Later the name is given according to the geographic location in which they are found or comes from.


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